79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
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#include "powermonitor_linux.h"
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#ifdef Q_OS_LINUX
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#include <QDebug>
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PowerMonitorLinux::PowerMonitorLinux(QObject *parent)
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: PowerMonitorBase(parent)
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, m_login1Interface(nullptr)
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{
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}
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PowerMonitorLinux::~PowerMonitorLinux()
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{
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if (m_login1Interface) {
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delete m_login1Interface;
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m_login1Interface = nullptr;
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}
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}
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bool PowerMonitorLinux::initialize()
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{
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return initLogin1Dbus();
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}
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bool PowerMonitorLinux::initLogin1Dbus()
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{
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// 连接 org.freedesktop.login1 服务（系统总线）
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m_login1Interface = new QDBusInterface(
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"org.freedesktop.login1", // DBus 服务名
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"/org/freedesktop/login1", // 对象路径
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"org.freedesktop.login1.Manager", // 接口名
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QDBusConnection::systemBus(), // 系统总线（关键！不是会话总线）
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this
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);
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// 检查接口是否有效
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if (!m_login1Interface->isValid()) {
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qDebug() << "=================================================";
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qDebug() << "❌ 无法创建 login1 接口：" << m_login1Interface->lastError().message();
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qDebug() << "=================================================";
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return false;
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}
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// 监听 PrepareForSleep 信号（签名：b = bool）
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bool connectOk = QDBusConnection::systemBus().connect(
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"org.freedesktop.login1", // 服务名
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"/org/freedesktop/login1", // 对象路径
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"org.freedesktop.login1.Manager", // 接口名
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"PrepareForSleep", // 信号名
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this,
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SLOT(onPrepareForSleep(bool)) // 接收信号的槽函数
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);
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if (connectOk) {
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qDebug() << "=================================================";
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qDebug() << "✅ 成功连接 login1 电源管理接口（Linux）";
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qDebug() << "=================================================";
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return true;
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} else {
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qDebug() << "=================================================";
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qDebug() << "❌ 连接 login1 信号失败：" << QDBusConnection::systemBus().lastError().message();
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qDebug() << "=================================================";
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return false;
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}
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}
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void PowerMonitorLinux::onPrepareForSleep(bool enteringSleep)
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{
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if (enteringSleep) {
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// 系统即将进入 休眠/待机 状态
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emitAboutToSleep();
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} else {
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// 系统从睡眠中唤醒
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emitAboutToWakeUp();
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}
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}
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#endif // Q_OS_LINUX
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